Answer:
D
Explanation:
ot would be D because if he wants to stay safe then he would need to be on guard
D Personal protective Equiment
Well, it wasn't what the articles of confederation did, its more of the power it made the people feel. it wasn't until late 1700s until they realized they need to ratify(fix ) it and make it a new constitution
The correct answer is B.
When testing the effectiveness of a drug a method is used whereby two groups of people are administered a drug. One will be given the real drug and the other will be given a placebo which is usually a sugar pill. Results from both groups will be collected and used to establish whether a true effect of the actual drug has taken place.
